.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.info-item {
    background-color: rgba(0, 0, 0, 0.05);
    padding: 1rem;
    border-radius: 0.5rem;
    transition: box-shadow 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.info-item:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.info-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

/* 加入我们 */
.join-us {
    grid-column: 1 / -1;
    text-align: center;
}